Many many changes and bugfixes: * Remove support for unsized arrays * Add pointer indexing support * Allow more arbitrary malloc type changes (which are too generous currently   and should be fixed in the future) * Allow more and better conversions
Many many changes and bugfixes:
* Remove support for unsized arrays
* Add pointer indexing support
* Allow more arbitrary malloc type changes (which are too generous currently
  and should be fixed in the future)
* Allow more and better conversions


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@1464 91177308-0d34-0410-b5e6-96231b3b80d8

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